{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xcb4d5606073810a8a932db36dc8c64e8bd4e009aa414017647186c594917f011",
    "signature": "0x7d70c050538d77bea133466e157c20be0eb250db43b22eca456a9d38888f7bce1bdd13cfc0dbda6ddbac5786c6830806aee21688ed491ee5c9bb13aa375c98f71c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}